/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_18.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 09:07:49,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 09:07:49,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 09:07:49,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 09:07:49,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 09:07:49,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 09:07:49,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 09:07:49,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 09:07:49,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 09:07:49,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 09:07:49,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 09:07:49,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 09:07:49,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 09:07:49,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 09:07:49,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 09:07:49,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 09:07:49,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 09:07:49,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 09:07:49,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 09:07:49,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 09:07:49,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 09:07:49,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 09:07:49,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 09:07:49,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 09:07:49,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 09:07:49,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 09:07:49,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 09:07:49,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 09:07:49,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 09:07:49,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 09:07:49,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 09:07:49,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 09:07:49,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 09:07:49,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 09:07:49,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 09:07:49,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 09:07:49,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 09:07:49,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 09:07:49,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 09:07:49,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 09:07:49,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 09:07:49,994 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 09:07:50,014 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 09:07:50,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 09:07:50,014 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 09:07:50,014 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 09:07:50,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 09:07:50,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 09:07:50,016 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 09:07:50,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 09:07:50,016 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 09:07:50,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 09:07:50,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 09:07:50,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 09:07:50,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 09:07:50,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 09:07:50,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 09:07:50,017 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 09:07:50,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 09:07:50,017 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 09:07:50,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 09:07:50,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 09:07:50,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 09:07:50,018 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 09:07:50,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 09:07:50,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 09:07:50,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 09:07:50,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 09:07:50,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 09:07:50,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 09:07:50,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 09:07:50,019 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 09:07:50,019 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 09:07:50,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 09:07:50,019 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 09:07:50,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 09:07:50,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 09:07:50,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 09:07:50,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 09:07:50,316 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 09:07:50,317 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 09:07:50,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_18.bpl [2021-06-06 09:07:50,318 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_18.bpl' [2021-06-06 09:07:50,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 09:07:50,356 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 09:07:50,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 09:07:50,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 09:07:50,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 09:07:50,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:07:50" (1/1) ... [2021-06-06 09:07:50,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:07:50" (1/1) ... [2021-06-06 09:07:50,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 09:07:50,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 09:07:50,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 09:07:50,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 09:07:50,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:07:50" (1/1) ... [2021-06-06 09:07:50,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:07:50" (1/1) ... [2021-06-06 09:07:50,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:07:50" (1/1) ... [2021-06-06 09:07:50,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:07:50" (1/1) ... [2021-06-06 09:07:50,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:07:50" (1/1) ... [2021-06-06 09:07:50,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:07:50" (1/1) ... [2021-06-06 09:07:50,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:07:50" (1/1) ... [2021-06-06 09:07:50,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 09:07:50,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 09:07:50,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 09:07:50,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 09:07:50,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:07:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 09:07:50,496 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_16 given in one single declaration [2021-06-06 09:07:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure set_16 [2021-06-06 09:07:50,496 INFO L138 BoogieDeclarations]: Found implementation of procedure set_16 [2021-06-06 09:07:50,496 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_17 given in one single declaration [2021-06-06 09:07:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure set_17 [2021-06-06 09:07:50,497 INFO L138 BoogieDeclarations]: Found implementation of procedure set_17 [2021-06-06 09:07:50,498 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2021-06-06 09:07:50,498 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2021-06-06 09:07:50,499 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2021-06-06 09:07:50,500 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_15 given in one single declaration [2021-06-06 09:07:50,500 INFO L130 BoogieDeclarations]: Found specification of procedure set_15 [2021-06-06 09:07:50,500 INFO L138 BoogieDeclarations]: Found implementation of procedure set_15 [2021-06-06 09:07:50,500 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-06-06 09:07:50,501 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-06-06 09:07:50,501 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-06-06 09:07:50,501 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-06-06 09:07:50,501 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-06-06 09:07:50,501 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-06-06 09:07:50,502 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-06-06 09:07:50,502 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-06-06 09:07:50,502 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-06-06 09:07:50,503 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-06-06 09:07:50,503 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-06-06 09:07:50,505 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-06-06 09:07:50,505 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-06-06 09:07:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-06-06 09:07:50,505 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-06-06 09:07:50,506 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2021-06-06 09:07:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2021-06-06 09:07:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2021-06-06 09:07:50,509 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 09:07:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 09:07:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 09:07:50,509 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2021-06-06 09:07:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2021-06-06 09:07:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2021-06-06 09:07:50,509 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-06-06 09:07:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-06-06 09:07:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-06-06 09:07:50,510 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2021-06-06 09:07:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2021-06-06 09:07:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2021-06-06 09:07:50,510 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2021-06-06 09:07:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2021-06-06 09:07:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2021-06-06 09:07:50,511 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2021-06-06 09:07:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2021-06-06 09:07:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2021-06-06 09:07:50,511 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2021-06-06 09:07:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2021-06-06 09:07:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2021-06-06 09:07:50,512 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2021-06-06 09:07:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2021-06-06 09:07:50,512 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2021-06-06 09:07:50,512 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2021-06-06 09:07:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2021-06-06 09:07:50,512 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2021-06-06 09:07:50,513 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 09:07:50,724 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 09:07:50,724 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 09:07:50,726 INFO L202 PluginConnector]: Adding new model example_18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 09:07:50 BoogieIcfgContainer [2021-06-06 09:07:50,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 09:07:50,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 09:07:50,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 09:07:50,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 09:07:50,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:07:50" (1/2) ... [2021-06-06 09:07:50,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33cfd76c and model type example_18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 09:07:50, skipping insertion in model container [2021-06-06 09:07:50,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 09:07:50" (2/2) ... [2021-06-06 09:07:50,732 INFO L111 eAbstractionObserver]: Analyzing ICFG example_18.bpl [2021-06-06 09:07:50,745 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 09:07:50,745 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 09:07:50,745 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 09:07:50,746 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 09:07:51,154 INFO L149 ThreadInstanceAdder]: Constructed 324 joinOtherThreadTransitions. [2021-06-06 09:07:51,174 INFO L255 AbstractCegarLoop]: Starting to check reachability of 19 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 09:07:51,226 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 09:07:51,227 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 09:07:51,227 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 09:07:51,227 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 09:07:51,227 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 09:07:51,228 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 09:07:51,228 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 09:07:51,228 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 09:07:51,372 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-06 09:07:51,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:07:51,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1453562087, now seen corresponding path program 1 times [2021-06-06 09:07:51,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:07:51,384 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463936690] [2021-06-06 09:07:51,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:07:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:07:51,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:07:51,540 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:07:51,540 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463936690] [2021-06-06 09:07:51,540 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463936690] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 09:07:51,541 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 09:07:51,541 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 09:07:51,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65711942] [2021-06-06 09:07:51,546 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 09:07:51,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:07:51,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 09:07:51,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 09:07:51,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:51,559 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:07:51,561 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:07:51,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:51,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:51,619 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 09:07:51,619 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-06 09:07:51,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:07:51,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1798037205, now seen corresponding path program 1 times [2021-06-06 09:07:51,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:07:51,620 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070493614] [2021-06-06 09:07:51,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:07:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:07:51,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:07:51,663 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:07:51,663 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070493614] [2021-06-06 09:07:51,663 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070493614] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 09:07:51,663 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 09:07:51,663 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 09:07:51,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344659290] [2021-06-06 09:07:51,665 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 09:07:51,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:07:51,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 09:07:51,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 09:07:51,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:51,666 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:07:51,667 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:07:51,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:51,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:51,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:51,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:51,747 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 09:07:51,748 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-06 09:07:51,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:07:51,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1692386527, now seen corresponding path program 1 times [2021-06-06 09:07:51,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:07:51,749 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951222485] [2021-06-06 09:07:51,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:07:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:07:51,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:07:51,802 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:07:51,803 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951222485] [2021-06-06 09:07:51,803 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951222485] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 09:07:51,803 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 09:07:51,803 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 09:07:51,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999925753] [2021-06-06 09:07:51,804 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 09:07:51,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:07:51,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 09:07:51,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 09:07:51,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:51,805 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:07:51,805 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:07:51,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:51,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:51,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:51,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:51,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:51,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:51,871 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 09:07:51,871 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-06 09:07:51,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:07:51,871 INFO L82 PathProgramCache]: Analyzing trace with hash 438971013, now seen corresponding path program 1 times [2021-06-06 09:07:51,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:07:51,872 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096856959] [2021-06-06 09:07:51,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:07:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:07:51,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:07:51,939 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:07:51,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096856959] [2021-06-06 09:07:51,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096856959] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 09:07:51,939 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 09:07:51,939 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 09:07:51,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429071504] [2021-06-06 09:07:51,940 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 09:07:51,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:07:51,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 09:07:51,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 09:07:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:51,940 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:07:51,940 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:07:51,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:51,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:51,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:51,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:52,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,003 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 09:07:52,003 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-06 09:07:52,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:07:52,004 INFO L82 PathProgramCache]: Analyzing trace with hash 152009145, now seen corresponding path program 1 times [2021-06-06 09:07:52,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:07:52,004 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902749504] [2021-06-06 09:07:52,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:07:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:07:52,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:07:52,038 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:07:52,039 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902749504] [2021-06-06 09:07:52,039 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902749504] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 09:07:52,039 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 09:07:52,039 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 09:07:52,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576351562] [2021-06-06 09:07:52,040 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 09:07:52,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:07:52,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 09:07:52,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 09:07:52,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:52,041 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:07:52,041 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:07:52,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:52,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,095 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-06 09:07:52,096 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-06 09:07:52,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:07:52,096 INFO L82 PathProgramCache]: Analyzing trace with hash 232509825, now seen corresponding path program 1 times [2021-06-06 09:07:52,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:07:52,096 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592386321] [2021-06-06 09:07:52,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:07:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:07:52,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:07:52,121 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:07:52,122 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592386321] [2021-06-06 09:07:52,122 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592386321] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 09:07:52,122 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 09:07:52,122 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 09:07:52,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650802822] [2021-06-06 09:07:52,123 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 09:07:52,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:07:52,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 09:07:52,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 09:07:52,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:52,124 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:07:52,124 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:07:52,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,186 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-06 09:07:52,187 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-06 09:07:52,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:07:52,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1175699139, now seen corresponding path program 1 times [2021-06-06 09:07:52,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:07:52,187 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592903236] [2021-06-06 09:07:52,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:07:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:07:52,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:07:52,213 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:07:52,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592903236] [2021-06-06 09:07:52,213 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592903236] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 09:07:52,213 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 09:07:52,213 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 09:07:52,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785148924] [2021-06-06 09:07:52,214 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 09:07:52,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:07:52,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 09:07:52,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 09:07:52,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:52,215 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:07:52,215 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:07:52,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:52,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,286 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-06 09:07:52,286 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-06 09:07:52,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:07:52,286 INFO L82 PathProgramCache]: Analyzing trace with hash -154367781, now seen corresponding path program 1 times [2021-06-06 09:07:52,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:07:52,287 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675773137] [2021-06-06 09:07:52,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:07:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:07:52,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:07:52,324 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:07:52,324 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675773137] [2021-06-06 09:07:52,324 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675773137] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 09:07:52,324 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 09:07:52,325 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 09:07:52,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803210781] [2021-06-06 09:07:52,325 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 09:07:52,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:07:52,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 09:07:52,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 09:07:52,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:52,326 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:07:52,326 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:07:52,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:52,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,376 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-06 09:07:52,376 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-06 09:07:52,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:07:52,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1001667557, now seen corresponding path program 1 times [2021-06-06 09:07:52,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:07:52,377 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001501317] [2021-06-06 09:07:52,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:07:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:07:52,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:07:52,437 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:07:52,437 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001501317] [2021-06-06 09:07:52,437 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001501317] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 09:07:52,438 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 09:07:52,438 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 09:07:52,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703338601] [2021-06-06 09:07:52,438 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 09:07:52,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:07:52,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 09:07:52,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 09:07:52,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:52,439 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:07:52,441 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:07:52,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,516 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-06 09:07:52,517 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-06 09:07:52,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:07:52,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1637198145, now seen corresponding path program 1 times [2021-06-06 09:07:52,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:07:52,517 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373402727] [2021-06-06 09:07:52,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:07:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:07:52,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:07:52,567 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:07:52,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373402727] [2021-06-06 09:07:52,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373402727] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 09:07:52,567 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 09:07:52,568 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 09:07:52,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301118955] [2021-06-06 09:07:52,568 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 09:07:52,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:07:52,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 09:07:52,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 09:07:52,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:52,569 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:07:52,569 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:07:52,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:52,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,608 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-06 09:07:52,608 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-06 09:07:52,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:07:52,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1482956033, now seen corresponding path program 1 times [2021-06-06 09:07:52,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:07:52,609 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992457702] [2021-06-06 09:07:52,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:07:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:07:52,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:07:52,650 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:07:52,651 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992457702] [2021-06-06 09:07:52,651 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992457702] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 09:07:52,651 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 09:07:52,651 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 09:07:52,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198914837] [2021-06-06 09:07:52,651 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 09:07:52,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:07:52,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 09:07:52,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 09:07:52,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:52,652 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:07:52,652 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:07:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:52,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,699 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-06 09:07:52,700 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-06 09:07:52,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:07:52,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1432341381, now seen corresponding path program 1 times [2021-06-06 09:07:52,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:07:52,700 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281075578] [2021-06-06 09:07:52,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:07:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:07:52,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:07:52,723 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:07:52,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281075578] [2021-06-06 09:07:52,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281075578] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 09:07:52,727 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 09:07:52,727 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 09:07:52,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820708375] [2021-06-06 09:07:52,728 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 09:07:52,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:07:52,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 09:07:52,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 09:07:52,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:52,728 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:07:52,729 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:07:52,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:52,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,786 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-06 09:07:52,786 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-06 09:07:52,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:07:52,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1534947255, now seen corresponding path program 1 times [2021-06-06 09:07:52,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:07:52,788 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867639623] [2021-06-06 09:07:52,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:07:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:07:52,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:07:52,807 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:07:52,807 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867639623] [2021-06-06 09:07:52,807 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867639623] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 09:07:52,808 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 09:07:52,808 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 09:07:52,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648379405] [2021-06-06 09:07:52,808 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 09:07:52,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:07:52,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 09:07:52,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 09:07:52,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:52,809 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:07:52,809 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:07:52,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:52,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-06 09:07:52,857 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-06 09:07:52,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:07:52,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1615313801, now seen corresponding path program 1 times [2021-06-06 09:07:52,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:07:52,857 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757215740] [2021-06-06 09:07:52,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:07:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:07:52,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:07:52,882 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:07:52,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757215740] [2021-06-06 09:07:52,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757215740] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 09:07:52,882 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 09:07:52,882 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 09:07:52,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925125633] [2021-06-06 09:07:52,883 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 09:07:52,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:07:52,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 09:07:52,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 09:07:52,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:52,884 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:07:52,884 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:07:52,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:52,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:52,942 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-06 09:07:52,942 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-06 09:07:52,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:07:52,943 INFO L82 PathProgramCache]: Analyzing trace with hash -965472311, now seen corresponding path program 1 times [2021-06-06 09:07:52,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:07:52,943 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899339762] [2021-06-06 09:07:52,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:07:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:07:54,551 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-06-06 09:07:54,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:07:54,708 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:07:54,708 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899339762] [2021-06-06 09:07:54,708 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899339762] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 09:07:54,708 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 09:07:54,708 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-06-06 09:07:54,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927817162] [2021-06-06 09:07:54,709 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 09:07:54,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:07:54,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 09:07:54,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=207, Unknown=0, NotChecked=0, Total=380 [2021-06-06 09:07:54,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:54,710 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:07:54,711 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 19 states have (on average 3.8421052631578947) internal successors, (73), 20 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:07:54,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:54,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:54,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:54,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:54,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:54,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:54,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:54,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:54,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:54,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:54,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:54,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:54,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:54,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:07:54,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:07:54,892 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 74